Finding the Fourth Proportional to 858,839.40, 1,185,086.82 and 476,792.37

Step by Step Solution

1. Step 1: Write the proportion equation
   858,839.40 : 1,185,086.82 = 476,792.37 : x
2. Step 2: Convert to fraction form
   858,839.40/1,185,086.82 = 476,792.37/x
3. Step 3: Cross multiply
   858,839.40x = 1,185,086.82 × 476,792.37
4. Step 4: Simplify right side
   858,839.40x = 565,040,353,563.56
5. Step 5: Solve for x
   x = 565,040,353,563.56/858,839.40
6. Step 6: Final answer
   x = 657,911.54